Finding the Fourth Proportional to 683,362.28, 1,025,212.62 and 203,587.94
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Solution
The fourth proportional to 683,362.28, 1,025,212.62 and 203,587.94 is: 305,432.32
Step by Step Solution
- Step 1: Write the proportion equation
683,362.28 : 1,025,212.62 = 203,587.94 : x - Step 2: Convert to fraction form
683,362.28/1,025,212.62 = 203,587.94/x - Step 3: Cross multiply
683,362.28x = 1,025,212.62 × 203,587.94 - Step 4: Simplify right side
683,362.28x = 208,720,925,367.80 - Step 5: Solve for x
x = 208,720,925,367.80/683,362.28 - Step 6: Final answer
x = 305,432.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.